(A) Elasticity
(B) Stress
(C) Capillarity
(D) Strain
Q. The ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity is called:
(A) Capillarity
(B) Absorption
(C) Retarding force
(D) None of these
Q. The first recorded observation of capillary action was by:
(A) Robert Boyle
(B) Leonardo da Vinci
(C) Galileo
(D) None of these
Answers:
1. (C) Capillarity
2. (A) Capillarity
3. (B) Leonardo da Vinci